This document discusses meta-stereotyping and its effects, particularly on women in science. It explains that meta-stereotyping is being aware of the stereotypes that others hold about social groups one belongs to. This can lead to stereotype threat which negatively impacts performance. The document provides examples of how thinking about negative gender stereotypes about women's abilities in math and science can impair women's performance in these areas through stereotype threat. It argues that changing societal norms about gender and careers is important to reducing these psychological barriers women face in science fields.